INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21bd58317a844bfec7946852b90238cbed7514d779f4fee9927f8d2136890b92', 
    'IlmyE+M9KqJVjSpdRY3+q7zsBLbDeOJaj1y8npD6hmk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)