UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UCk2egSL0hnuzafQZ3Yw2E3DPJ2eqgfRJUWIfDuEOL4=' 
WHERE 
  key_id = '249a1b00e3b0b86c51cde93ef27646d1ca30777f76bf1eaf77bc508ec3916a49' 
  AND (
    token = 'UCk2egSL0hnuzafQZ3Yw2E3DPJ2eqgfRJUWIfDuEOL4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )