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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '07e5d84cfa09ec5b0fd0126cc61b107297a5311641caaa0688cebc58fafa3cac' 
  AND token = 'ijZb5sCPpGAFL9gRZneybKvbTl7XjT3VN8H+rzAPiBk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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