UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qqmO/mszKothcirU1Bp28LJViCTzhLOE1/tzg9BxFDE=' 
WHERE 
  key_id = '6dc56493398f230064c588d44181d67dd0b5dfc876662998831f6694c8305a69' 
  AND (
    token = 'qqmO/mszKothcirU1Bp28LJViCTzhLOE1/tzg9BxFDE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )