UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RnCZXOTSHFPGrdzVcB2YIp/SfTc9tXV3t9IRKe43vmo=' 
WHERE 
  key_id = 'c756f0683599c36108f78daa8137559ab640c29b8a177b14612df6ccb6561f86' 
  AND (
    token = 'RnCZXOTSHFPGrdzVcB2YIp/SfTc9tXV3t9IRKe43vmo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )