UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fddbmxHTaT+ObL0fssvb4xRvBfzFtWH/OFi7fcJOjpc=' 
WHERE 
  key_id = '40c65a236dc9b566bb9b3ed231bc729b5286e0e70cb2484128593943e9158859' 
  AND (
    token = 'fddbmxHTaT+ObL0fssvb4xRvBfzFtWH/OFi7fcJOjpc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )