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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '4913315d1ce70ded5d771d3ac9868d81f4f372b305bea370bf946482624f7c70' 
  AND token = '01JZ5EiIDe1bTqLzJs/QBtoqW889Ggo66bPKe6cOtFk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00048

JSON explain

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