UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ob3YYHtr6ulmLPTOPQLH3LD6t9xsrCXCq635gBLOvlY=' 
WHERE 
  key_id = '940b8a9112ebb32d888ecaa162bcc8b968b84ef1c4645d326f564854077f0916' 
  AND (
    token = 'ob3YYHtr6ulmLPTOPQLH3LD6t9xsrCXCq635gBLOvlY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )