UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q2yfpbAs4SbB/tzJxj2sUhiVVooTJP4sCT6QI6FjNE0=' 
WHERE 
  key_id = '936ad899b0478b9f5e97948af25c27024de08e0ab84529a5370672879ccf9a7a' 
  AND (
    token = 'q2yfpbAs4SbB/tzJxj2sUhiVVooTJP4sCT6QI6FjNE0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )