UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MrdDAO0z39joQP5WT4vL4ohGzcGEYGRvTwiTwAdEeqg=' 
WHERE 
  key_id = '42fa2cd7af378f8f345bbb9fda4adf6e90f6836093502df8d73d2f5c0af1fc2f' 
  AND (
    token = 'MrdDAO0z39joQP5WT4vL4ohGzcGEYGRvTwiTwAdEeqg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )