UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PGi2m31CKg8ok6we1TltnDW2+DIf1O3rsTlxWgyGyyg=' 
WHERE 
  key_id = '4784886e6011244c4a7c4e791f17aabbdee068bbde0843212c7b092a6a42ad0a' 
  AND (
    token = 'PGi2m31CKg8ok6we1TltnDW2+DIf1O3rsTlxWgyGyyg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )