UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kr1x6ZD4I6vGRmsfYuPpT6WdqIRnHmwcKqqRy/DTfHg=' 
WHERE 
  key_id = '20a4e41c7c2d22018a93cf4780db180dfeb32751c374046a1f77c5d64ed8aacc' 
  AND (
    token = 'kr1x6ZD4I6vGRmsfYuPpT6WdqIRnHmwcKqqRy/DTfHg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )