UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sLk2EXe97eMQuGveGuF0/mSf4LsxUHdVckVQPBFKLME=' 
WHERE 
  key_id = '5b55edb73600b6b885ca8e7997fdea76399078b082c46db6b2ede38b2e210c36' 
  AND (
    token = 'sLk2EXe97eMQuGveGuF0/mSf4LsxUHdVckVQPBFKLME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )