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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1a0e62cf81371fe39946fad5e4171d802e6ba772d1c4df12c6ec82bde0ed38ff' 
  AND token = 'Hq49yYeK5ikWztpGZZmTRl/z+/7AfZVT0Uam6KH4mCM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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