UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a6gGgA+fVk6C/+Wz/qTHIDZpi3WNIm5vSzOKCFytHWc=' 
WHERE 
  key_id = '546d006f4c7335da0ab672870dfd4aaa35e26ae59c49cbe0bb4420bea3587a47' 
  AND (
    token = 'a6gGgA+fVk6C/+Wz/qTHIDZpi3WNIm5vSzOKCFytHWc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )