UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RV2C2kFgC/9l6S7+N/4mk6mVMILktI2aCZRZbsxd2mI=' 
WHERE 
  key_id = '756f2a46fa1227051a5e53bdebe85ae71b3d16086584fcd669e7566c7abeac97' 
  AND (
    token = 'RV2C2kFgC/9l6S7+N/4mk6mVMILktI2aCZRZbsxd2mI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )