INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e8621e37dabcd88787912f877913d1e3b458fd531d064b8baaad06d4b1730a0c', 
    'meFMwyatd1z1rlTIAouqj9NScGnJFw08rv1I4lBhP4I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)