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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'aa5013ae689d9f65d9f4cf16b3e6efae81f189742420e6832275319440ebcc88' 
  AND token = 'RMTW3y7IZ1D8ybGSk0xNLLjAyioO52L2XeLGgblcKdU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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