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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '5faeffecaf2819a328e02c2fa511d37ca9d31c4114ae799fa3cbfe2c4d5197ce' 
  AND token = 'SYTnJ3aWzBzgooTdjIM8mdoxgBOoyl1fZaI6Yx63o+E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00062

JSON explain

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