UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LQCsLeEBEyb3nz4k83fA/oY1IPAfxc1lNyDxwsLq3po=' 
WHERE 
  key_id = '391e7f90fa3174d6c087e10101fbc307c6bf66e47ca4d84e0d9476ffdf811d2e' 
  AND (
    token = 'LQCsLeEBEyb3nz4k83fA/oY1IPAfxc1lNyDxwsLq3po=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )