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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '01fa1ae4dd74413b06a406cdfde1ca71de0eead9ecae13d9a49719c288e16a15' 
  AND token = 'CGSJbr+d89YnPOm6ycj6SrU0xUYCsr9E7LMinzUKYBM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}