UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L21Efm5F0WvwsTRhNgLIeMOyyKHNtwOVpNoe1+1Nqeg=' 
WHERE 
  key_id = 'f00647daf24b40719b51210ef265c2299cf6611fcfc4cd5dcb14c57bdbe39208' 
  AND (
    token = 'L21Efm5F0WvwsTRhNgLIeMOyyKHNtwOVpNoe1+1Nqeg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036